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The volume of a cube is 512 cm3. Its total surface are (in sq cm) is -


1. 284
2. 384
3. 484
4. 576

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Correct Answer - Option 2 : 384

Given:

The volume of a cube is 512 cm3

Formula Used:

Volume of cube = Side3

Total surface area = 6 × Side2

Calculation:

The volume of a cube is 512 cm3.

Let the side be x.

⇒ x3 = 512

⇒ x = 8 cm

Total surface area = 6 × 82 = 384 cm2

∴ The total surface area is 384 cm2.  

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